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61612132 = 2224163913
BaseRepresentation
bin1110101100001…
…0000001100100
311021221012221211
43223002001210
5111233042012
610040321204
71345460131
oct353020144
9137835854
1061612132
113186211a
1218773204
13c9c29aa
14827b588
1556206a7
hex3ac2064

61612132 has 12 divisors (see below), whose sum is σ = 108270316. Its totient is φ = 30677760.

The previous prime is 61612123. The next prime is 61612139. The reversal of 61612132 is 23121616.

It can be written as a sum of positive squares in 2 ways, for example, as 41036836 + 20575296 = 6406^2 + 4536^2 .

It is not an unprimeable number, because it can be changed into a prime (61612139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30993 + ... + 32920.

Almost surely, 261612132 is an apocalyptic number.

It is an amenable number.

61612132 is a deficient number, since it is larger than the sum of its proper divisors (46658184).

61612132 is a wasteful number, since it uses less digits than its factorization.

61612132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64158 (or 64156 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 61612132 is about 7849.3395900547. The cubic root of 61612132 is about 394.9620900433.

Adding to 61612132 its reverse (23121616), we get a palindrome (84733748).

The spelling of 61612132 in words is "sixty-one million, six hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 4 241 482 964 63913 127826 255652 15403033 30806066 61612132